54/100 as a Decimal 0.54 54/100 = 0.54 = 54% Copy 54/100 = 0.54 = 54%. Simplified: 27/50. Formula Used54 ÷ 100 = 0.54 Frequently Asked Questions What is 54/100 as a decimal?0.54.What is 54/100 as a percentage?54%.